1EHF:
reference: Crystal structures of cytochrome P450nor and its mutants (Ser286-->Val, Thr) in the ferric resting state at cryogenic temperature: a comparative analysis with monooxygenase cytochrome P450s., Shimizu H, Park S, Lee D, Shoun H, Shiro Y, J Inorg Biochem 2000 Aug 31;81(3):191-205. PMID: 11051564

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